Electric switch.



C. W. BROCKETT:

ELECTRIC SWITCH.

APPLICATION FILED 00131, \911.

1,274,674.. i Patented Aug. 6, 19 1s.

5 mama 6oz C 1 zoom??? .5 Avh oh the emovable-wspringbontaot ie'ngages, of spring materiaghaa dzheldbeneaththe;foot;

oiiaiiniis w." eageimm'ui; agaojq g rm uiiwsome,assieiiearor m ama's- C'0MP$1YY3.QENTEW"QRK: NQYL, Q P Q N N W H I I sesame swr icirii b .A ncatiommea October 3 1, 131w; SerialNo: 199;418.-

V Tmallwhmhn'i mag liconcrn":

Bnooiiii'nira agzcitizeni ofa thecUnited: States-rot America, residing at Brooklyn,-Newityoifl has"? inve'nt edi a new; andiqi usefuh vEl Sn iohaofwhzibh 'the rfollowing is a specifi v switches of; the=key socketitype andvthe ob-i jfiots of; the'invent'ioni are toeprovi desa simple I and effective constructiol'rwhich will enable:

the; :Lref'adiy i assemblage" of 1 suchqswitches I withiiili :th'e ,onnamentah shells I-gof lighting 1 Am other fixtures,.ol yhusks, as theyxarie commonly, terniedw w h1g5: fonmn of oontactafor i the; spring; switch ann which. will? compensates 01 variations 111; file/7 .5126 aiml'relatiom ;ofthe parts. a

1.15111 mIGCODdEtHCQiLWlflD thlSrlflVGlltiOIlcon H istruct the swltch w th a detachable key haiz I in g at projeetingangularsidedhstem tor engilgen'l ent, in 2 similar; shaped: a socket: prori yided Zin' thee end? of; the SWitGh; i'openatingrz 1; stri e-1e finmly attaehedi merits and; thQgWiQVflSl'bnl o-fi insulating ,bushd paritpreferably having: a" ivingfit 1so= ithatthe key. mayabe the sfp i nfdle by rapsiinple he k 4-: lar, isidedlstem' of;standardilengthravhich canv be cut shorter to meet particular require mags whichrca ::L1 Q proper" length to? cover @the' exposed; portion off-the stembe are; automa icallyj compensated for :by make in-g" the5relativelystationary:"contact with-v of the circuit terminal so that it may yield 'tical and preferred form.

' to coinpensareifor yariationsgand; inequalities.

The a Variousvfeatures i of: const ruc'tionv willappear more fully as the specification pron ceeds and will be made clear by a consideration of the accompanying drawing which illustrates the invention embodied in apraca I ent sizes ofhusks in use, so that they may In said drawing p I Figure 1, 1s apart sectional view of one form of the switch as embodied in a husk relatesl particularly to;

7 base; mounting athfe "usual screw; shell, lamp lower iponce lainsi-respectivelyfor engage:

the base o f ithe; key and; the end 7 of; the:

M mma- 6;? 19181;;

Filgfly zlS {MSQCtiOHiLl'g VlEfW- taken;-S11b an% tial-Ly oirthe plane, vo f the linQ-2%2;of F:ig; 1;. Ei g2; 3; is -af detachedi perspective view of. the j oint betweemthe detachable-drew and 1 the switch operatingrstub spindle;

Elie;particulan'switeh :illustrated i s oif'anj approvedtype comprising a; two-part: ibasex made; up; off upper andglow-er ponclelai-nsrfi and: 6connectedq by through; serewsZEsai-d a contact 8wand center (contact 9 and? -oairryi ng also thei frame lO; imwrhichf the spindle'lliis journalechw; the circuit terminals arid -14 and-the contacts; 15; and 16 ion the upperand m y their-c nt ct making: arms; 013- a: spr ng yoke' 12, i said; arms being-forced intoeligagementwith sa-id;co1 itacts by! a oam 17. I 7 onthesp1n-dle;,,,1 a. 1

The openating;x spindie:; 11 .iswv specially constructed 5 to :enable the switch-j being: ias; sembleldlwithoutrva huskand so: asgto enable i the op er'athig; Ykey; being connected! therewith 9 aitefrg 'such assemblageii'r the husk. For this 5 purpose, the; p; spindle; is; ,fOI'Q 'ShOIQtQ IIGdf, usually to i such an extent; as to; just about extendthrough ,the-inclosiiig shell 1;8 *of:the

=soe-ket, and ait is furthermore; forined- -with;, amen-sul ensided'flswk h i l9ruini the eXposedsi end thereon-to. ,rece yena similarly shaped protruding; angulaltsided stem-1200a the de v tacllable opeiiajljigng key L: #111 pnaoticethia shortened stub spindle formed with anen l menmnt oirih ad 22 a i. :hsouter or xpo ecli end th-eneof andg'the angularsidedgsocket 19- is io j mfed iii bliis -heada slnl'lgplfl lfithQCh ofanakingthis special spindleds to turn, 1

down -the spindleout' of sltock thec'sizeof the-- heade leaui-ngithe head portion the: original 1 diam eter of the -lstojck,; then to drill, a- :cylina drical socket in ithe -endi ofthe-hezid andthen, afiterq inserting van janyil of the" required t flatben downi one: sidewof ;t 1e-so iket.=, i li .iprovi s a simple and strong one-piece spindlejwhich can be produced :on ordinary; turningiand; :Eorminga:

maohinesat small cost. a

The detachable operating keysare usually made with'the projeoting angular sided stem 20long enough to answer for all the diflersizes. In Fig. 1 I haye illustrated ahusk i 

